/*
 * Copyright (c) 2002-2021 "Neo4j,"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.neo4j.ogm.config;

import static java.nio.charset.StandardCharsets.*;

import java.util.Base64;

/**
 * @author Vince Bickers
 * @author Michael J. Simons
 */
public class UsernamePasswordCredentials implements Credentials<String> {

    private final String credentials;
    private final String username;
    private final String password;

    public UsernamePasswordCredentials(String username, String password) {

        if (username == null || password == null) {
            throw new IllegalArgumentException("username or password cannot be null");
        }

        this.credentials = Base64.getEncoder()
            .encodeToString(String.format("%s:%s", username, password).getBytes(UTF_8));
        this.username = username;
        this.password = password;
    }

    @Override
    public String credentials() {
        return credentials;
    }

    public String getUsername() {
        return username;
    }

    public String getPassword() {
        return password;
    }
}
